diff --git a/tools/docs/sphinx-build-wrapper b/tools/docs/sphinx-build-wrapper
index 1bb962202784..ec83583e229a 100755
--- a/tools/docs/sphinx-build-wrapper
+++ b/tools/docs/sphinx-build-wrapper
@@ -219,6 +219,15 @@ class SphinxBuilder:
         self.kernelrelease = os.environ.get("KERNELRELEASE", "unknown")
         self.pdflatex = os.environ.get("PDFLATEX", "xelatex")
 
+        #
+        # Add localversion* to kernelversion if present
+        #
+        for file in glob(os.environ["srctree"] + "/localversion*"):
+            if not file.endswith(".orig"):
+                with open(file, 'r', encoding='utf-8') as f:
+                    text = f.read()
+                    self.kernelversion += text
+
         #
         # Kernel main Makefile defines a PYTHON3 variable whose default is
         # "python3". When set to a different value, it allows running a